Home / 674,853,447.16-930,890,536.96-445,709,623.20

Finding the Fourth Proportional to 674,853,447.16, 930,890,536.96 and 445,709,623.20

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Solution

The fourth proportional to 674,853,447.16, 930,890,536.96 and 445,709,623.20 is: 614,810,329.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,853,447.16 : 930,890,536.96 = 445,709,623.20 : x
  2. Step 2: Convert to fraction form
    674,853,447.16/930,890,536.96 = 445,709,623.20/x
  3. Step 3: Cross multiply
    674,853,447.16x = 930,890,536.96 × 445,709,623.20
  4. Step 4: Simplify right side
    674,853,447.16x = 414,906,870,468,887,296
  5. Step 5: Solve for x
    x = 414,906,870,468,887,296/674,853,447.16
  6. Step 6: Final answer
    x = 614,810,329.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.